Advertisements
Advertisements
Question
Write down the number of neutrons in the nucleus of an atom having atomic number 17 and mass number 37.
Advertisements
Solution
A = n + p (At. No.) A is mass number
37 = n + 17
Number of neutrons = n = 37 – 17 = 20
APPEARS IN
RELATED QUESTIONS
A neutron is formed by an electron and a proton combining together. Therefore, it is neutral.
Fill in the blank of the following statement :
If the nucleus of an atom has atomic number 17, mass number 37 and there are 17 electrons outside the nucleus, the number of neutrons in it is __________.
What is a neutron? State its relative mass and charge.
Sulphur has an atomic number of 16 and a mass number of 32. State the number of protons and neutrons present in the nucleus of sulphur.
State the number of neutrons in each of the atoms A to E. Also state which of the atoms A to E is a metal.
Calculate the number of neutrons, protons and electrons:
- atomic number 3 and mass number 7
- atomic number 92 and mass number 238.
Calculate the number of neutrons present in the nucleus of an element X which is represented as `""_15^31"X"`
What is the charge of a neutron?
Write the properties of neutrons.
The ratio of neutrons in C and Si with respective atomic masses 12 and 28 is ______.
